Exercise 3.2


Lesson 3.2: Our Practices can Improve or Degrade Soil


ACTIVITY A: Agricultural Soil Protection

Required Readings

Science in Action 7
pages 143 to 148
or
Science Focus 7
pages 156 to 159


Soil one of our most important and valuable natural resources. If good quality soil can mean the difference between life and death, then we should protect our soil. We all must be careful and not waste the soil because we depend on it to provide food, clean water and more.

How much soil is there in the world? 

Managing Soil Resources

Use the following questions and answers to help in your study of erosion in agricultural areas.

Click to access the website
Exercise 3.2 - Pros and Cons

 



ACTIVITY B: Urban Soil Protection


Soil is also important in urban areas. Although most people don't use the soil in urban areas to grow food or livestock, it is still important to us. It nourishes grass and household plants. It feeds urban wildlife, like rabbits and birds. It sustains urban forests and parks. It supports our houses on a firm foundation.

Use the following website to learn more about risks to soil management in urban areas.

Click to access the site


Copyright © 2001, the Crown in Right of Alberta, as represented by the Minister of Learning, Alberta Learning, 11160 Jasper Avenue, Edmonton, Alberta T5K 0L2

Picture and Photos:( For specific picture reference view page source.)
Copyright © 2000-2001 www.arttoday.com, Copyright © 2001 Jeannie Charrois